No one, in my estimation, bridged the gulf between science and faith better than Teilhard de Chardin, the French paleontologist, priest, and mystic (1881-1955). By his success, Teilhard provided a model for those who seek integrity in the reconciliation of science and spirituality.

Many questions related to the three-body problem, and even more questions related to the general n-body problem, remain open. In particular, we don't even know with certainty whether or not our own solar system is stable in the very long run.

Informed activism is the cardinal virtue in these critical times. It's our best hope for taking control of our destiny: for creating a world we can live in, and can leave in good conscience to our children.